Home / 792,428.66-1,188,599.23-579,414.86

Finding the Fourth Proportional to 792,428.66, 1,188,599.23 and 579,414.86

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Solution

The fourth proportional to 792,428.66, 1,188,599.23 and 579,414.86 is: 869,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,428.66 : 1,188,599.23 = 579,414.86 : x
  2. Step 2: Convert to fraction form
    792,428.66/1,188,599.23 = 579,414.86/x
  3. Step 3: Cross multiply
    792,428.66x = 1,188,599.23 × 579,414.86
  4. Step 4: Simplify right side
    792,428.66x = 688,692,047,606.49
  5. Step 5: Solve for x
    x = 688,692,047,606.49/792,428.66
  6. Step 6: Final answer
    x = 869,090.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.